'use client';

import '../style.scss';
import Image from 'next/image';
import { useState, useEffect } from 'react';
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome'
import { faThumbsUp as nThumbsUp, faThumbsDown as nThumbsDown, faFlag as nFlag, faPenToSquare, faTrashCan } from '@fortawesome/free-regular-svg-icons';
import { faThumbsUp as yThumbsUp, faFlag as yFlag, faArrowRotateRight, faEllipsisVertical } from '@fortawesome/free-solid-svg-icons';
import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuTrigger } from "@/components/ui/dropdown-menu"
import { throwError, loginCheck, formatDate } from '@/lib/utils/client';
import useAuth from '@/hooks/useAuth';
import { type CommentItem } from '@/types/forum/comment';
import BoardResponse from '@/dtos/response/forum/board/boardResponse';
import PostResponse from '@/dtos/response/forum/post/postResponse';
import EditForm from './EditForm';
import { fetchCommentDelete } from '@/lib/api/forum/comment';

type Props = {
	board: BoardResponse; // 게시판 정보
    post: PostResponse; // 게시글 정보
	comment: CommentItem; // 댓글 정보
    isReplying?: boolean; // 답글 버튼 클릭 여부
	onReply: () => void;  // 답글 버튼 클릭 시
	onDelete: () => void; // 삭제 후
    onSuccess: () => void; // 수정/삭제 후
}

export default function Item({ comment, isReplying, board, post, onReply, onSuccess, onDelete } : Props)
{
	const { isAuthenticated } = useAuth();
	const [error, setError] = useState<string|null>(null);
	const [loading, setLoading] = useState<boolean>(false);
	const [isEditing, setIsEditing] = useState<boolean>(false);

    useEffect(() => {
        if (!comment) {
            setIsEditing(false);
        }
    }, [comment]);

    const handleStartEdit = () => {
		if (!loginCheck(isAuthenticated)) {
			return;
		}
        setIsEditing(true);
    };

    const handleCancelEdit = () => {
        setIsEditing(false);
    };

    const handleEditSuccess = () => {
        setIsEditing(false);
        if (typeof onSuccess === 'function') {
			onSuccess();
		}
    };

	const handleDelete = () => {
		setIsEditing(false);

		if (confirm("댓글을 삭제하시겠습니까?")) {
			setLoading(true);

			// 댓글 삭제 호출
			fetchCommentDelete(comment.id).then((res) => {
				throwError(res);

				// 삭제 성공 시 해당 댓글 영역 삭제
				onDelete();
			}).catch(err => {
				setError(err.message);
			}).finally(() => {
				setLoading(false);
			});
		}
	};

	const writerThumb = (comment.writer.thumbnail ?? '/resources/thumb.gif');
	const writerName = (comment.writer.name || comment.writer.sid);
	const createdAt = formatDate(comment.createdAt);

	return (
		<li className={comment.isSecret ? 'is-secret' : ''}>
			<div>
				<Image src={writerThumb} alt={writerName} width={72} height={0} />
			</div>
			<div>
				<ul>
					<li>{writerName}</li>
					<li>{createdAt}</li>
				</ul>
			</div>
			<div>
				<DropdownMenu>
					<DropdownMenuTrigger>
						<FontAwesomeIcon icon={faEllipsisVertical}/>
					</DropdownMenuTrigger>
					<DropdownMenuContent>
						{/*
						<DropdownMenuItem><FontAwesomeIcon icon={nFlag} className="mr-2"/> 신고</DropdownMenuItem>
						*/}
						<DropdownMenuItem onClick={handleStartEdit}>
							<FontAwesomeIcon icon={faPenToSquare} className="mr-2"/> 수정
						</DropdownMenuItem>
						<DropdownMenuItem onClick={handleDelete}>
							<FontAwesomeIcon icon={faTrashCan} className="mr-2"/> 삭제
						</DropdownMenuItem>
					</DropdownMenuContent>
				</DropdownMenu>
			</div>
			<div>
				<ul>
					<li>
						{isEditing ? (
							<EditForm
								board={board}
								post={post}
								comment={comment}
								onSuccess={handleEditSuccess}
								onCancel={handleCancelEdit}
							/>
						) : (
							<ul>
								<li>
									{comment.mention && (
										<span className="mention">@{comment.mention.rawHandle} </span>
									)}
									{comment.content}
								</li>
							</ul>
						)}
					</li>
				</ul>
			</div>

			{!isEditing && (
			<div>
				{/*
				<button type="button" title="좋아요"><FontAwesomeIcon icon={nThumbsUp} /></button>
				<button type="button" title="싫어요"><FontAwesomeIcon icon={nThumbsDown} /></button>
				*/}
				<button
                    type="button"
                    title="답글"
                    onClick={onReply}
                >
                    {isReplying ? '답글 접기' : '답글'}
                </button>
			</div>
			)}
		</li>
	);
}